2239187725 has 24 divisors (see below), whose sum is σ = 2995422120. Its totient is φ = 1654149120.

The previous prime is 2239187723. The next prime is 2239187729. The reversal of 2239187725 is 5277819322.

2239187725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 12 ways, for example, as 81956809 + 2157230916 = 9053^2 + 46446^2 .

It is not a de Polignac number, because 2239187725 - 2¹ = 2239187723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2239187723) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27180 + ... + 72229.

It is an arithmetic number, because the mean of its divisors is an integer number (124809255).

Almost surely, 2^2239187725 is an apocalyptic number.

2239187725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2239187725 is a deficient number, since it is larger than the sum of its proper divisors (756234395).

2239187725 is a wasteful number, since it uses less digits than its factorization.

2239187725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99489 (or 99484 counting only the distinct ones).

The product of its digits is 423360, while the sum is 46.

The square root of 2239187725 is about 47320.0562658161. The cubic root of 2239187725 is about 1308.2683498721.

The spelling of 2239187725 in words is "two billion, two hundred thirty-nine million, one hundred eighty-seven thousand, seven hundred twenty-five".